All operating systems / macOS history / OS X Mountain Lion Software history
Defining features Feature summaries are anchored to the cited Apple first-party source.
Deeper iCloud integration Mountain Lion integrated iCloud more deeply across Apple applications and documents.
Messages and Notification Center Messages replaced iChat for iMessage communication and Notification Center centralized alerts.
AirPlay Mirroring and Game Center AirPlay Mirroring extended the Mac display to Apple TV while Game Center brought Apple gaming identity and services to Mac.
System-wide sharing and Dictation A system sharing interface and built-in Dictation expanded common services across apps.
Apple feature source ↗ Mac OS X / OS X / macOS
Device support Archive-product links show the canonical products represented by this project. The full device-name list preserves the broader structured support evidence, including hardware refreshes that do not have their own archive node.
Supported archive products 6 mapped products Full device coverage 36 device names Mac Pro (Early 2008) Mac Pro (Early 2009) Mac mini (Late 2012, Core i5) Mac mini (Late 2012, Core i7) Mac mini (Mid 2010) Mac mini (Mid 2011, Dedicated graphics) Mac mini (Mid 2011, Integrated graphics) Mac mini (Mid 2011, Server) MacBook (13-inch, Aluminum, Late 2008) MacBook (13-inch, Late 2009) MacBook (13-inch, Mid 2010) MacBook Air (11-inch, Late 2010) MacBook Air (11-inch, Mid 2011) MacBook Air (11-inch, Mid 2012) MacBook Air (13-inch, Late 2010) MacBook Air (13-inch, Mid 2011) MacBook Air (13-inch, Mid 2012) MacBook Pro (13-inch, Mid 2009) MacBook Pro (13-inch, Mid 2010) MacBook Pro (13-inch, Mid 2012) MacBook Pro (15-inch, Mid 2009, Dedicated Graphics) MacBook Pro (15-inch, Mid 2009, Integrated Graphics) MacBook Pro (15-inch, Mid 2010) MacBook Pro (15-inch, Mid 2012) MacBook Pro (17-inch, Mid 2010) Xserve (Early 2009) iMac (21.5-inch, Early 2013) iMac (21.5-inch, Late 2012) iMac (21.5-inch, Late 2013, Dedicated Graphics) iMac (21.5-inch, Late 2013, Integrated Graphics) iMac (21.5-inch, Mid 2010) iMac (27-inch, Late 2009, Core i5/i7) iMac (27-inch, Late 2012) iMac (27-inch, Late 2013) iMac (27-inch, Mid 2010) iMac (27-inch, Mid 2011) Support dropped at this major
Device names in support data Mac Pro (Early 2007) Mac Pro (Mid 2006) Mac mini (Mid 2007) MacBook (13-inch, Late 2007) MacBook Air (Early 2008) MacBook Pro (15-inch, Late 2006) MacBook Pro (17-inch, Late 2006) Xserve (Early 2008) Xserve (Late 2006) iMac (17-inch, Late 2006, Integrated Graphics) iMac (24-inch, Late 2006) Public releases
Public release history Every canonical public release assigned to this major version, including the initial release and later point updates.
2012 10.8 Initial major release
Jul 25, 2012 10.8.1 Point update
Aug 23, 2012 10.8.2 Point update
Sep 19, 2012 2013 10.8.3 Point update
Mar 14, 2013 10.8.4 Point update
Jun 4, 2013 10.8.5 Point update
Sep 12, 2013 ← Previous major Mac OS X Lion Next major → OS X Mavericks